Condensed Consolidated Balance Sheets (Parenthetical) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Current assets:
Accounts receivable, allowance	$ 27,000	$ 3,000
Stockholders' deficit
Common Stock, par value	$ 0.01	$ 0.01
Common Stock, shares authorized	1,050,000,000	1,050,000,000
Common Stock, shares issued	224,523,000	198,188,000
Common Stock, shares outstanding	224,523,000	198,188,000
Treasury shares	6,500,000	0
Series A-1 Preferred Stock [Member]
Stockholders' deficit
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	2,000,000	2,000,000
Preferred stock, shares issued	953,000	880,000
Preferred stock, shares outstanding	953,000	880,000
Preferred stock, liquidation preference	953,000
Series B Preferred Stock [Member]
Stockholders' deficit
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	14,000,000	14,000,000
Preferred stock, shares issued	10,058,000	9,250,000
Preferred stock, shares outstanding	10,058,000	9,250,000
Preferred stock, liquidation preference	15,088,000
Series C Preferred Stock [Member]
Stockholders' deficit
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	9,000,000	4,100,000
Preferred stock, shares issued	4.175000	3,547,000
Preferred stock, shares outstanding	4,175,000	3,547,000
Preferred stock, liquidation preference	6,263,000
Series D-1 Preferred Stock [Member]
Stockholders' deficit
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	3,000,000	0
Preferred stock, shares issued	1,124,000	0
Preferred stock, shares outstanding	1,124,000	0
Preferred stock, liquidation preference	1,124,000
Series D-2 Preferred Stock [Member]
Stockholders' deficit
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	8,000,000	0
Preferred stock, shares issued	3,302,000	0
Preferred stock, shares outstanding	3,302,000	0
Preferred stock, liquidation preference	$ 3,302,000